A conducting stick of length 2L and mass 
is moving down a smooth inclined plane of inclination 
with constant speed 
. A current 2 A is flowing in the conductor perpendicular to the paper inwards. A vertically upward magnetic field B exists in space there. The magnitude of magnetic field B is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
According to the question,
Magnitude of magnetic field,
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